*{
    margin: 0;padding: 0;
}
#container a{
    color: black;
}
#container a:hover{
    color: #ff8a00;
    text-decoration: underline
}
#loopImg {
    background-color: #ccc;
    position: relative;
}
#headImg{
    width: 100%;
    height: 720px;
    text-align: center;
}
#headImg img{
    height: 100%;
    width: 100%;
    margin: 0 auto;
}
#container {
    /* height: 1200px; */
    width: 1200px;
    margin: 0 auto;
    background-color: #FFF;
}

#con-top{
    width: 1200px;
    margin: 0 auto; 
}
#con-top>iframe{
    background-size: cover;
    background-image: url('../images/aim-img/river.jpg');
    transition: height 2s linear;
}
#con-top:hover>iframe{
    width: 1200px;
    height: 520px;
    transition: height 2s linear;
    margin: 0 auto; 
}


#con-bottom{
    width: 1200px;
    margin: 0 auto; 
}
#con-bottom-bottom{
    width: 1200px;
    margin: 0 auto; 
}
#twopx-line{
    width: 100%;
    height: 4px;
}
#con-title{
    text-align: center;
}
#con-title-span{
    text-align: center;
    font-size: 30px;
    width: 1000px;
    height:50px;
    line-height: 50px;
    margin: 0 auto;
}
#con-top-ul{
    width: 800px;
    height: 50px;
    margin: 0 auto;
    background-color: #ccc;
    text-align: center;  
}
#con-top-ul li{
    width: 100px;
    height: 50px;
    line-height: 50px;
    float: left;
}
#con-bottom-ul{
    width: 1200px;
    height: 50px;
    margin: 0 auto;
    background-color: #ccc;
    text-align: center;  
}
#con-bottom-ul li{
    width: 100px;
    height: 50px;
    line-height: 50px;
    float: left;
}

